A debate is going on between two groups of students ___ whether we should keep pets.a.of b.in c.on d.above

分类: 作业答案 • 2021-12-19 11:49:51

问题描述：

A debate is going on between two groups of students ___ whether we should keep pets.
a.of b.in c.on d.above

答

C. on

答

C..on 相当与about